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cve[email protected]CVE-2021-42321
HistoryNov 10, 2021 - 1:19 a.m.

CVE-2021-42321

2021-11-1001:19:00
NVD-CWE-Other
web.nvd.nist.gov
1460
In Wild
3
cve-2021-42321
nvd
microsoft exchange server
remote code execution
vulnerability
security

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

0.965 High

EPSS

Percentile

99.6%

Microsoft Exchange Server Remote Code Execution Vulnerability

VendorProductVersionCPE
microsoftexchange_server*cpe:2.3:a:microsoft:exchange_server:*:cumulative update 21:*:*:*:*:*:*
microsoftexchange_server*cpe:2.3:a:microsoft:exchange_server:*:cumulative update 10:*:*:*:*:*:*
microsoftexchange_server*cpe:2.3:a:microsoft:exchange_server:*:cumulative update 22:*:*:*:*:*:*
microsoftexchange_server*cpe:2.3:a:microsoft:exchange_server:*:cumulative update 11:*:*:*:*:*:*

Social References

More

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

6.5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

0.965 High

EPSS

Percentile

99.6%